CN106563314A - A quality inspection device and method for assessing leakage of a filter bag - Google Patents
A quality inspection device and method for assessing leakage of a filter bag Download PDFInfo
- Publication number
- CN106563314A CN106563314A CN201510669421.8A CN201510669421A CN106563314A CN 106563314 A CN106563314 A CN 106563314A CN 201510669421 A CN201510669421 A CN 201510669421A CN 106563314 A CN106563314 A CN 106563314A
- Authority
- CN
- China
- Prior art keywords
- filter bag
- lower box
- compressed air
- upper box
- quality inspection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
A quality inspection device and method for assessing leakage of a filter bag are disclosed. The device includes an upper box body, a lower box body under the upper box body, a tube sheet between the upper and low box bodies, a compressed air pipe connecting the lower box body, a feeder disposed outside the lower box body and connected to the compressed air pipe, a control console at one side of the lower box body, an exhaust pipe connecting the upper box body, a exhaust pump connected to the exhaust pipe, and filter glasses. The upper box body is provided with blue light lamps and a top cover. The lower box body is provided with blue light lamps, a lower box door, rotational flow fluidized spray nozzles connected to the compressed air pipe and bag cages matched with the tube sheet. The device is simple in configuration and high in operationality. The method is easy to implement. Leakage of the filter bag can be detected by simulating on-site filtration working conditions. A problem in filter bag manufacturing is reflected in real time and visually. The device and the method are safe and reliable and provide great help to filter bag leakage detection assessment and filter bag manufacturing process improvement.
Description
Technical field
The present invention relates to a kind of quality inspection device and quality detecting method, particularly relate to the quality inspection device and method of a kind of assessment filter bag leaks.
Background technology
Sack cleaner and electric-bag complex dust collector are widely used in the industries such as thermoelectricity, cement, metal smelt, waste incineration and chemical industry as efficient cleaner.Used as sack cleaner and the core component of electric-bag complex dust collector, its leaks affects the final smoke dust discharge concentration of itself service life and cleaner unit to filter bag.Meanwhile, increasingly strict with dust emission standard, the emission request of superhigh precision it is also proposed higher requirement to the leaks of filter bag.
At present, in the laboratory of filtrate manufacturing enterprise and correlational study assessing mechanism, usually using VDI detection means（Or similar device）The test of media filtration performance is carried out, the filter efficiency and concentration of emission of filtrate can accurately be tested by such detection means.
However, adopting VDI detection means（Or similar device）The evaluation for only being quantified to the strainability of filtrate is tested, the defect of filtrate presence can not be intuitively reacted；In addition, the sample of such detection means test is the plane filtrate of certain area, the visual inspection assessment of filter bag leaks can not be carried out, it is difficult to react impact of the filter bag processing technology to filter bag leaks, especially bag head, each position of bag body and bag bottom and its sewing place.
Therefore, filter bag leaks how effectively to be assessed and intuitively reflects that problem is just particularly important.But, lacking this kind of quality inspection device and quality detecting method that can intuitively reflect filter bag leaks at present, the improvement of check and evaluation and filter bag processing technology to filter bag leaks brings great inconvenience.
The content of the invention
It is an object of the invention to provide the quality inspection device and method of a kind of assessment filter bag leaks, the improvement of check and evaluation and filter bag processing technology for filter bag leaks provides support.
In order to reach above-mentioned purpose, the solution of the present invention is：
A kind of quality inspection device of assessment filter bag leaks, which includes that a upper box, one are located at the lower box below upper box, one be located at card between upper box and lower box, the compressed air hose of connection lower box, outside lower box and connect compressed air hose feeder, the control station positioned at lower box side, the exhaustor of connection upper box and exhaustor connection exhaust pump, filter goggle；Upper box is provided with blue-ray light and top cover；The bag cage that lower box is provided with the eddy flow fluidisation nozzles of blue-ray light, lower box door and compressed air hose connection and is coordinated with card.
The upper box and lower box are made using transparent material.
The card is located at the junction of upper box and lower box, is made using opaque carbon steel.
The blue-ray light is located at the multiple directions of the both sides drift angle and lower box test sample of upper box.
The eddy flow fluidisation nozzles are located at the lower surface both sides of lower box, connect feeder and compressed air by compressed air hose.
Glasses of the filter goggle for filter blue light.
A kind of method using the detection means visual inspection sock filtration performance：
Step 1, opening top cover, take out bag cage, test sample are arranged on card, then installation bag cage, cover top cover；
A certain amount of fluorescent material of addition in step 2, past feeder, is switched on power and compressed air source, the feeding capacity of the capacity, the compressed air require of compressed air hose and feeder of exhaust pump is set by control station, then starts detection means；
Step 3, initial survey：Filter goggle is put on, six blue-ray lights in upper box and nowel body are opened by control station, the leaks of test sample are observed by transparent casing；
Step 4, reinspection：Filter goggle is put on, turns off six blue-ray lights in upper box and nowel body by control station, opened top cover, quadratic search is carried out by blue light pocket lamp, carried out finer observation and confirm from all angles, it is ensured that the reliability of quality inspection work.
Fluorescent material in the step 2 goes to select the fluorescent material of different-grain diameter distribution according to the industry dust size distribution situation applied by filter bag, and its center particle size range is 5 ~ 13 μm；The setting of capacity and compressed air require should meet filtration velocity for 0.8 ~ 2.5m/min.
After said structure, the quality inspection device and method of the assessment filter bag leaks of the present invention, its simple structure, it is workable, filter operating mode to detect the leaks of filter bag with simulated field, the simple and clear real-time reflection filter bag leaks of energy, and it is safe and reliable, it is that the detection of filter bag leaks and assessment and the improvement of filter bag processing technology bring great help.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
Symbol description：
Upper box 1
Blue-ray light 11
Top cover 12
Card 2
Lower box 3
Blue-ray light 31
Lower box door 32
33 bags of cages 34 of eddy flow fluidisation nozzles
Compressed air hose 4
Feeder 5
Control station 6
Exhaustor 7
Exhaust pump 8
Filter goggle 9.
Specific embodiment
In order to technical scheme is explained further, below by specific embodiment, the present invention will be described in detail.
As shown in Figure 1, present invention is disclosed a kind of quality inspection device of assessment filter bag leaks, which includes the lower box 3 that a upper box 1, is located at below upper box 1, one be located at the card 2 between upper box 1 and lower box 3, the compressed air hose 4 of connection lower box 3, outside lower box 3 and connect the feeder 5 of compressed air hose 4, the control station 6 positioned at 3 side of lower box, the exhaustor 7 of connection upper box 1, and the connection of exhaustor 7 exhaust pump 8 and filter goggle 9.
The upper box 1 is provided with blue-ray light 11 and top cover 12；Wherein：Blue-ray light 11 is located at the both sides drift angle of upper box 1, is the blue light source inside upper box 1；Top cover 12 is located at the top of upper box 1, for installation and the dismounting of test sample, while as the cleaning inside upper box 1 and maintenance door.
The card 2 is located at the junction of upper box 1 and lower box 3, for the installation and fixation of test sample；Made using opaque carbon steel, it is to avoid the fluorescent material between upper box 1 and lower box 3 is interfered, be conducive to the inspection of test case.
The lower box 3 is provided with blue-ray light 31, lower box door 32, eddy flow fluidisation nozzles 33 and bag cage 34；Wherein：Blue-ray light 31 has four, is distributed in the multiple directions of test sample, used as the blue light source inside lower box 3；Lower box door 32 is located at the side of lower box 3, for the cleaning inside lower box 3 and maintenance；Eddy flow fluidisation nozzles 33 are located at the lower surface both sides of lower box 3, the fluidization dispersions after compressed air hose 4 connects feeder 5 and compressed air for fluorescent material；Bag cage 34 is to coordinate the installation and fixation on card 2 for test sample.
Described upper box 1 and lower box 3 adopt transparent material（Safety glass or organic clear sheet）It is made, on the other hand the effectiveness for being on the one hand easy to Real Time Observation to detect can avoid the filter bag pollution caused because taking out test sample inspection from producing interference to testing result.
The control station 6 is used for the on off control of quality inspection device and tests the setting of each parameter and adjust.
One end of the exhaustor 7 connects the side of upper box 1, other end connection exhaust pump 8, for extracting the test gases in upper box 1 out.
Glasses of the described filter goggle 9 for filter blue light, it is to avoid the light that blue light is sent to fluorescent material is produced and covered, and greatly improves the accuracy and reliability of testing result.
Embodiment 1
When requiring that to minimum discharge the leaks of project filter bag are tested using a kind of quality inspection device of assessment filter bag leaks of the present invention, which concretely comprises the following steps：
Step 1, opening top cover 12, take out bag cage 34, by test sample（Filter bag）On card 2, then installation bag cage 34, cover top cover 12；
Step 2, the dust by national 207 coal-burning power plant's project filter bag surface adhesion, filtration velocity and concentration of emission are studied, for the fluorescent material meso-position radius of minimum discharge project alternativess are 5 μm, filtration velocity is selected as 2.5m/min, the addition fluorescent material toward in feeder 5, switch on power and compressed air source, the feeding capacity of the capacity, the compressed air pressure of compressed air hose 4 and flow and feeder 5 of exhaust pump 8 is set by control station 6, then starts detection means；
Step 3, initial survey：Filter goggle 9 is put on, six blue-ray lights 11 and 31 in upper box and nowel body are opened by control station 6, the leaks of test sample are observed by transparent casing.
Step 4, reinspection：Filter goggle 9 is put on, turns off six blue-ray lights 11 and 31 in upper box and nowel body by control station 6, opened top cover 12, quadratic search is carried out by blue light pocket lamp, carried out finer observation and confirm from all angles, it is ensured that the reliability of quality inspection work.
Step 5, by 6 stoppage in transit detection means of control station, close power supply and compressed air source, open top cover 12 and lower box door 32, the fluorescent material remained in device is cleaned out.
Embodiment 2
When requiring that to qualified discharge the leaks of project filter bag are tested using a kind of quality inspection device of assessment filter bag leaks of the present invention, which concretely comprises the following steps：
Step 1, opening top cover 12, take out bag cage 34, by test sample（Filter bag）On card 2, then installation bag cage 34, cover top cover 12；
Step 2, the dust by national 207 coal-burning power plant's project filter bag surface adhesion, filtration velocity and concentration of emission are studied, for qualified discharge requires that the fluorescent material meso-position radius of project alternativess are 13 μm, filtration velocity is selected as 0.8m/min, the addition fluorescent material toward in feeder 5, switch on power and compressed air source, the feeding capacity of the capacity, the compressed air pressure of compressed air hose 4 and flow and feeder 5 of exhaust pump 8 is set by control station 6, then starts detection means；
Step 3, initial survey：Filter goggle 9 is put on, six blue-ray lights 11 and 31 in upper box and nowel body are opened by control station 6, the leaks of test sample are observed by transparent casing.
Step 4, reinspection：Filter goggle 9 is put on, turns off six blue-ray lights 11 and 31 in upper box and nowel body by control station 6, opened top cover 12, quadratic search is carried out by blue light pocket lamp, carried out finer observation and confirm from all angles, it is ensured that the reliability of quality inspection work.
Step 5, by 6 stoppage in transit detection means of control station, close power supply and compressed air source, open top cover 12 and lower box door 32, the fluorescent material remained in device is cleaned out.
Embodiment 3
When requiring that to common exhaust the leaks of project filter bag are tested using a kind of quality inspection device of assessment filter bag leaks of the present invention, which concretely comprises the following steps：
Step 1, opening top cover 12, take out bag cage 34, by test sample（Filter bag）On card 2, then installation bag cage 34, cover top cover 12；
Step 2, the dust by national 207 coal-burning power plant's project filter bag surface adhesion, filtration velocity and concentration of emission are studied, for common exhaust requires that the fluorescent material meso-position radius of project alternativess are 8 μm, filtration velocity is selected as 1.1m/min, the addition fluorescent material toward in feeder 5, switch on power and compressed air source, the feeding capacity of the capacity, the compressed air pressure of compressed air hose 4 and flow and feeder 5 of exhaust pump 8 is set by control station 6, then starts detection means；
Step 3, initial survey：Filter goggle 9 is put on, six blue-ray lights 11 and 31 in upper box and nowel body are opened by control station 6, the leaks of test sample are observed by transparent casing.
Step 4, reinspection：Filter goggle 9 is put on, turns off six blue-ray lights 11 and 31 in upper box and nowel body by control station 6, opened top cover 12, quadratic search is carried out by blue light pocket lamp, carried out finer observation and confirm from all angles, it is ensured that the reliability of quality inspection work.
Step 5, by 6 stoppage in transit detection means of control station, close power supply and compressed air source, open top cover 12 and lower box door 32, the fluorescent material remained in device is cleaned out.
In sum, the quality inspection device and method of a kind of assessment filter bag leaks of the present invention, which has advantages below：
1. the quality inspection device clear in structure of the present invention, simple structure, regular maintenance and easy maintenance.
2. the quality detecting method of the present invention is simple, and operator individually complete test according to operating instruction by need not carrying out professional training.
3. in test, the transparent material that upper box and lower box are adopted（Safety glass or organic clear sheet）Make process of the test and result visualization, on the one hand can real-time inspection validation test effectiveness, on the other hand can be simple and clear assessment filter bag leaks；Further, it is also possible to be prevented effectively from because extracting the specimen sample pollution that filter bag being checked and being caused, it is to avoid the accuracy of test result is affected.
4. the detection of filter bag leaks being carried out using the quality inspection device and method, can intuitively reflecting the leaks of filter bag, the quality inspection work for filter bag leaks provides quality inspection device, so that targetedly suggestion is provided for the improvement of filter bag processing technology.
The product form and style, appropriate change or modification that any person of an ordinary skill in the technical field is done to which of above-described embodiment and schema the non-limiting present invention, all should be regarded as the patent category without departing from the present invention.
Claims (8)
1. it is a kind of assessment filter bag leaks quality inspection device, it is characterised in that：Be located at the lower box below upper box including a upper box, one, one be located at card between upper box and lower box, the compressed air hose of connection lower box, outside lower box and connect compressed air hose feeder, the control station positioned at lower box side, the exhaustor of connection upper box and exhaustor connection exhaust pump, filter goggle；Upper box is provided with blue-ray light and top cover；The bag cage that lower box is provided with the eddy flow fluidisation nozzles of blue-ray light, lower box door and compressed air hose connection and is coordinated with card.
2. the quality inspection device of a kind of assessment filter bag leaks as claimed in claim 1, it is characterised in that：The upper box and lower box are made using transparent material.
3. the quality inspection device of a kind of assessment filter bag leaks as claimed in claim 1, it is characterised in that：The card is made using opaque carbon steel.
4. the quality inspection device of a kind of assessment filter bag leaks as claimed in claim 1, it is characterised in that：The blue-ray light is located at the multiple directions of the both sides drift angle and lower box test sample of upper box.
5. the quality inspection device of a kind of assessment filter bag leaks as claimed in claim 1, it is characterised in that：The eddy flow fluidisation nozzles are located at the lower surface both sides of lower box, connect feeder and compressed air by compressed air hose.
6. the quality inspection device of a kind of assessment filter bag leaks as claimed in claim 1, it is characterised in that：Glasses of the filter goggle for filter blue light.
7. it is a kind of assessment filter bag leaks quality detecting method, it is characterised in that：
Step 1, opening top cover, take out bag cage, test sample are arranged on card, then installation bag cage, cover top cover；
A certain amount of fluorescent material of addition in step 2, past feeder, is switched on power and compressed air source, the feeding capacity of the capacity, the compressed air require of compressed air hose and feeder of exhaust pump is set by control station, then starts quality inspection device；
Step 3, initial survey：Filter goggle is put on, six blue-ray lights in upper box and nowel body are opened by control station, the leaks of test sample are observed by transparent casing；
Step 4, reinspection：Filter goggle is put on, turns off six blue-ray lights in upper box and nowel body by control station, opened top cover, quadratic search is carried out by blue light pocket lamp, carried out finer observation and confirm from all angles, it is ensured that the reliability of quality inspection work.
8. the quality detecting method of filter bag leaks is assessed as claimed in claim 7, it is characterised in that：Fluorescent material in the step 2 goes to select the fluorescent material of different-grain diameter distribution according to the industry dust size distribution situation applied by filter bag, and its center particle size range is 5 ~ 13 μm；The setting of capacity and compressed air require should meet filtration velocity for 0.8 ~ 2.5m/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510669421.8A CN106563314A (en) | 2015-10-13 | 2015-10-13 | A quality inspection device and method for assessing leakage of a filter bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510669421.8A CN106563314A (en) | 2015-10-13 | 2015-10-13 | A quality inspection device and method for assessing leakage of a filter bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106563314A true CN106563314A (en) | 2017-04-19 |
Family
ID=58508607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510669421.8A Pending CN106563314A (en) | 2015-10-13 | 2015-10-13 | A quality inspection device and method for assessing leakage of a filter bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106563314A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4417181A1 (en) * | 1994-05-17 | 1995-11-23 | Wilfried Pergande | Light beam reflected from excess dust particles in filter assembly |
| JP2007139641A (en) * | 2005-11-21 | 2007-06-07 | Hitachi Zosen Corp | Method of specifying filter cloth with broken pore in bag filter |
| CN201464138U (en) * | 2009-06-16 | 2010-05-12 | 上海宝田新型建材有限公司 | Detection device for dust-collecting filter bag holes of COREX slag powder collector |
| CN202442851U (en) * | 2012-02-24 | 2012-09-19 | 驻马店市龙山通用机械有限公司 | Sub chamber pressure difference filter bag leakage detecting device of bag type dust collector |
| CN205182389U (en) * | 2015-10-13 | 2016-04-27 | 厦门三维丝环保股份有限公司 | Quality testing device of aassessment filter bag leakage nature |
-
2015
- 2015-10-13 CN CN201510669421.8A patent/CN106563314A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4417181A1 (en) * | 1994-05-17 | 1995-11-23 | Wilfried Pergande | Light beam reflected from excess dust particles in filter assembly |
| JP2007139641A (en) * | 2005-11-21 | 2007-06-07 | Hitachi Zosen Corp | Method of specifying filter cloth with broken pore in bag filter |
| CN201464138U (en) * | 2009-06-16 | 2010-05-12 | 上海宝田新型建材有限公司 | Detection device for dust-collecting filter bag holes of COREX slag powder collector |
| CN202442851U (en) * | 2012-02-24 | 2012-09-19 | 驻马店市龙山通用机械有限公司 | Sub chamber pressure difference filter bag leakage detecting device of bag type dust collector |
| CN205182389U (en) * | 2015-10-13 | 2016-04-27 | 厦门三维丝环保股份有限公司 | Quality testing device of aassessment filter bag leakage nature |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206382746U (en) | A kind of welding robot | |
| CN205182389U (en) | Quality testing device of aassessment filter bag leakage nature | |
| CN109406637A (en) | A kind of experimental provision for horizontal tank corrosion leakage Acoustic Emission location | |
| CN105444238A (en) | Laser oil fume sensing device and oil fume detecting method thereof | |
| WO2018147178A1 (en) | Cleaning-performance evaluation system | |
| CN205538534U (en) | Unburned carbon in flue dust on -line measuring system based on gaseous firing method of CO2 | |
| CN103674629A (en) | Automated flue gas collection device and analysis method | |
| CN109060261A (en) | A kind of high efficiency particle air filter leak source leak detection testboard | |
| CN106563314A (en) | A quality inspection device and method for assessing leakage of a filter bag | |
| CN205481203U (en) | Laser oil smoke sensing device | |
| CN204380698U (en) | The bio-safety cabinet device of Real-Time Monitoring filter leaks | |
| CN205352638U (en) | Simple and easy quality testing device of aassessment filter material leakage nature | |
| CN207114141U (en) | A kind of combined valve detects automatic fixture device | |
| CN206772770U (en) | A kind of bag-type dusting strainability testboard | |
| CN110208464A (en) | A kind of smoke composition content detection device and detection method | |
| CN109738487A (en) | SO in a kind of flue gas3On-line measurement system and method | |
| CN209673601U (en) | A kind of converter smoke discharging pipe detection device | |
| CN206214933U (en) | A kind of on-line automatic leakage detection apparatus of deduster | |
| CN109238951A (en) | A kind of corrosion testing device based on oil-gas pipeline | |
| CN105999890A (en) | Anti-explosion bag type dust remover with online leakage detection function | |
| CN205506642U (en) | Performance detection device of real -time airborne viable particles calculating instrument | |
| CN210136113U (en) | Fixed pollution source comprehensive sampling device | |
| CN103759980B (en) | A kind of twin-stage virtual impact PM10/ PM2.5sampler | |
| CN211189421U (en) | Application device of fluorescent powder in dust collection pipeline inspection | |
| CN205580942U (en) | Poor device of light reflex that PM2. 5 detected |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170419 |